iTRANS 2
FIXED POINT SINGLE OR DUAL GAS MONITOR
WITH DUAL ANALOG OUTPUTS
USER MANUAL
Revision 7.0
1 Overview
1.1 Overview of the Gas Monitor
The fixed gas monitor is an independent monitor
capable of displaying one or two gas concentrations as
well as sensor or instrument specific diagnostics.
The comes standard with independent 4-20 mA
outputs for each channel, making it ideal for interfacing to
control units. A digital ModBus RTU interface is also
available, allowing the
control systems. The is available with an optional
relay board, allowing the unit to directly control external
devices such as fans, pumps, alarm ho
lights. Two of the relays can be programmed for alarm
activation, while the third relay is a fault protection relay.
Calibration, changing span gas concentration, and
checking the instrument’s configuration are easily
accomplished using the non-intrusive magnetic wand.
The is powered with a 24 VDC (12-
power supply and provides a 4-20 mA control signal for
each sensor.
Figure 1-1 Typical Gas
Monitor with Single Gas Sensor
(Stainless Steel Option)
1.2 Specifications
Specifications for the gas monitor are listed in Table 1-1.
Enclosure
Cast aluminum, poly-bonded coating or 316 stainless steel. Both are
explosion-proof, NEMA 4X, IP66 rated.
Dimensions 5.0 × 6.0 × 5.0 inches (127 x 153 x 129 mm)
Sensors
Combustible Gases: Catalytic bead and/or Non-Dispersive Infrared (NDIR)
Oxygen/Toxic Gases: Electrochemical diffusion
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